Home / 140,261.60-193,557.92-76,599.66

Finding the Fourth Proportional to 140,261.60, 193,557.92 and 76,599.66

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Solution

The fourth proportional to 140,261.60, 193,557.92 and 76,599.66 is: 105,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,261.60 : 193,557.92 = 76,599.66 : x
  2. Step 2: Convert to fraction form
    140,261.60/193,557.92 = 76,599.66/x
  3. Step 3: Cross multiply
    140,261.60x = 193,557.92 × 76,599.66
  4. Step 4: Simplify right side
    140,261.60x = 14,826,470,862.31
  5. Step 5: Solve for x
    x = 14,826,470,862.31/140,261.60
  6. Step 6: Final answer
    x = 105,705.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.